Finding the Fourth Proportional to 144,581.72, 199,522.74 and 80,919.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,581.72 : 199,522.74 = 80,919.52 : x
2. Step 2: Convert to fraction form
   144,581.72/199,522.74 = 80,919.52/x
3. Step 3: Cross multiply
   144,581.72x = 199,522.74 × 80,919.52
4. Step 4: Simplify right side
   144,581.72x = 16,145,284,349.88
5. Step 5: Solve for x
   x = 16,145,284,349.88/144,581.72
6. Step 6: Final answer
   x = 111,668.92